Table 2.

Weighted principal components analysis (PCA) loadings for glutathione, glutamate, and glutamine in the whole sample. Bold font indicates loadings greater than 0.6.

3 principal components explaining 64.82% of the variance (varimax rotation)
Variables	Component loadings
	Component 1	Component 2	Component 3
Ins glutathione	0.746	0.254	0.116
Ins glutamate	0.808	0.184	−0.059
Vis glutathione	0.738	0.028	0.013
Vis glutamate	0.835	0.070	−0.096
ACC glutathione	0.160	0.871	0.010
ACC glutamate	0.210	0.804	−0.080
ACC glutamine	−0.070	0.382	0.725
Ins glutamine	−0.004	−0.076	0.759
Vis glutamine	0.026	−0.168	0.697